http://technews.tmcnet.com/news/2014/08/19/7978040.htm
*** International Business Machines Assigned Patent for Generation of Terahertz Electromagnetic Waves in Graphene By Coherent Photon-mixing ALEXANDRIA, Va., Aug. 18 -- International Business Machines, Armonk, New York, has been assigned a patent (8,805,148) developed by four co-inventors for the "generation of terahertz electromagnetic waves in graphene by coherent photon-mixing." The co-inventors are Phaedon Avouris, Yorktown Heights, New York, Chun-Yung Sung, Poughkeepsie, New York, Alberto Valdes Garcia, Hartsdale, New York, and Fengnian Xia, Plainsboro, New Jersey.
The patent application was filed on July 14, 2011 (13/182,621). The full-text of the patent can be found athttp://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8,805,148.PN.&OS=PN/8,805,148&RS=PN/8,805,148 Written by Balkishan Dalai; edited by Jaya Anand.
